update caching and server creation

local/utl/regex_handler/regex_handler.go

@@ -0,0 +1,26 @@
+package regex_handler
+
+import (
+	"acc-server-manager/local/model"
+	"regexp"
+)
+
+type AccServerInstance struct {
+    Model     *model.Server
+    State     *model.ServerState
+}
+
+type RegexHandler struct {
+	regex *regexp.Regexp
+}
+
+func (rh *RegexHandler) Contains(line string, callback func(...string)) {
+	match := rh.regex.FindStringSubmatch(line)
+	callback(match...)
+}
+
+func New(str string) *RegexHandler {
+	return &RegexHandler{
+		regex: regexp.MustCompile(str),
+	}
+}